A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.
Classification: Parts nesoi, of compressors other than refrigerating and air conditioning compressors
NSN 5935-00-008-0429
NSN 6620-01-096-3723
NSN 5915-01-461-3552
NSN 6220-00-435-5867
NSN 6220-00-542-4898
NSN 5915-01-222-7062
NSN 6105-01-050-7795
NSN 5855-01-275-5470
NSN 5925-00-553-2500
NSN 5935-01-147-5432
NSN 5998-01-259-5710
NSN 5996-00-757-7742